Cyber Security Engineer

Commercial Services Group is one of the leading providers of procurement and support services to education and public sector customers globally. Serving over 15,000 customers, CSG is committed to providing an excellent customer and user experience underpinned by social value and a committed and empowered workforce.

Cyber Security Engineer

Location: West Malling, Kent / Hybrid

Salary/package: £55,000 – £60,000 per annum

Hours: Full time, 37.5 hours per week

Help lead the charge in digital defence! We’re looking for an experienced Cyber Security Engineer to join us at Cantium Business Solutions, where you’ll play a pivotal role in strengthening and advancing our cyber security posture. This is your opportunity to bring your expertise to the table and drive impactful security strategies from day one.

Who we are

Cantium Business Solutions, part of the Commercial Services Group (CSG), delivers high-quality IT and back-office services to the education and public sectors. Our commitment to innovation and customer-centric solutions is backed by a dynamic and agile culture. We’re proud to be part of CSG, the UK’s largest local authority-owned trading organisation, supporting customers worldwide.

Why this role matters

Cyber threats are evolving, and our team is at the heart of protecting critical infrastructure and data. As a Cyber Security Engineer, you’ll help lead our proactive efforts in threat detection, response, and mitigation. This role is vital to safeguarding the confidentiality, integrity, and availability of systems and services.

What you’ll be doing

• 
  
• Act on security alerts, incidents, and events to reduce risk and ensure timely responses.
  
• Diagnose and investigate security incidents following agreed procedures.
  
• Escalate and document unresolved incidents and support recovery efforts.
  
• Operate within our enterprise-level SOC and collaborate on threat intelligence.
  
• Utilise tools like Microsoft E5, Sentinel, and Darktrace to monitor and prevent threats.
  
• Analyse malware and respond to high-priority incidents.
  
• Support vulnerability management and threat analysis activities.
  
• Participate in our on-call rotation for cyber incident response.
  
• Contribute to documentation and certification processes such as Cyber Essentials.
  
• Engage with cross-functional teams to improve security practices and awareness.
  

What we’re looking for

• 
  
• Must have at least 2–5 years’ experience in Cyber Security engineering within a SOC or equivalent function.
  
• Proficiency with Microsoft Security Suite (including Sentinel) and Darktrace or similar.
  
• Must have an understanding of cyber threats including malware, ransomware, DDoS, insider threats.
  
• Strong knowledge of threat modelling, security monitoring, and cloud environments.
  
• Familiarity with GDPR, data protection, and privacy impact assessments.
  
• Excellent communication and collaboration skills with a proactive mindset.
  
• Industry certifications (e.g., CISSP, CEH, CompTIA Security+) are beneficial.
  
• Ability to work independently and manage changing priorities in a fast-paced setting.
  

What you’ll get in return

• 
  
• Salary of up to £60,000 per annum (DOE)
  
• 25 days annual leave
  
• Life assurance cover (4x salary)
  
• Pension scheme with 6% employer contribution
  
• Additional benefits including retail and gym discounts, health cash plan and cycle to work scheme
  
• Volunteer days and access to a comprehensive wellbeing programme
  
• Tailored learning and development support with real opportunities to progress
  

Why CSG?

Commercial Services Group (CSG) is the UK’s largest local authority-owned trading company, generating over £800 million in revenue and supporting 16,000 education and public sector customers worldwide. With more than 1,800 employees across the UK, France, Dubai, and Bangkok, we’re building a global leader in education and public sector solutions.

Our growth is driven by innovation, acquisitions, and partnerships. CSG’s 33 trading businesses span IT, HR, legal, procurement, and more – with over £77 million reinvested in public services to date.

Inclusion & Accessibility

We are committed to fostering a diverse and inclusive workplace where everyone feels valued and respected. We encourage applications from suitably qualified people of all backgrounds.

We are committed to providing reasonable adjustments throughout our application and interview process; please let us know if you require any.